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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
Industry: Earth science
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Soil science
Physical nonequilibrium
Earth science; Soil science
Soil condition in which movement of solute occurs between flow regions, e.g., macropore - micorpore, by diffusion as a result of a gradient in solute concentration between the regions.
Regur
Earth science; Soil science
An intrazonal group of dark calcareous soils high in clay, which is mainly montmorillonitic, and formed mainly from rocks low in quartz; occurring extensively on the Deccan Plateau of India.
Hypha
Earth science; Soil science
Filament of fungal cells. Many hyphal filaments (hyphae) constitute a mycelium. Bacteria of the order Actinomycetales also produce branched mycelium.
Layer charge
Earth science; Soil science
Magnitude of charge per formula unit of a clay which is balanced by ions of opposite charge external to the unit layer.
Hydrophobic
Earth science; Soil science
Molecules and surfaces that have little or no affinity for water molecules. Hydrophobic substances have more affinity for other hydrophobic substances than for water.
Soil monolith
Earth science; Soil science
A vertical section of a soil profile removed from the soil and mounted for display or study.
